CVE-2021-41265

Published on: 12/09/2021 12:00:00 AM UTC

Last Modified on: 12/15/2021 02:40:00 PM UTC

CVE-2021-41265 - advisory for GHSA-m3rf-7m4w-r66q

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Certain versions of Flask-appbuilder from Flask-appbuilder Project contain the following vulnerability:

Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch.

CVE-2021-41265 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.
Affected Vendor/Software: dpgaspar - Flask-AppBuilder version < 3.3.4

CVSS3 Score: 8.8 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 6.5 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	LOW	SINGLE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	PARTIAL	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
chore: improve schema validation (#1712) · dpgaspar/[email protected] · GitHub	github.com text/html	MISC github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc
Improper Authentication in Flask-AppBuilder · Advisory · dpgaspar/Flask-AppBuilder · GitHub	github.com text/html	CONFIRM github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q
Release 3.3.4 · dpgaspar/Flask-AppBuilder · GitHub	github.com text/html	MISC github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4

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Related QID Numbers

984150 Python (pip) Security Update for Flask-AppBuilder (GHSA-m3rf-7m4w-r66q)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Flask-appbuilder Project	Flask-appbuilder	All	All	All	All

cpe:2.3:a:flask-appbuilder_project:flask-appbuilder:*:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-41265 : Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain… twitter.com/i/web/status/1…	2021-12-09 16:45:19
@Robo_Alerts	Potentially Critical CVE Detected! CVE-2021-41265 Description: Flask-AppBuilder is a development framework built on… twitter.com/i/web/status/1…	2021-12-09 17:56:27
/r/netcve	CVE-2021-41265	2021-12-09 18:38:41